538 lines
16 KiB
C
538 lines
16 KiB
C
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//===-- aeabi_cfcmpeq.c - Test __aeabi_cfcmpeq ----------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file tests __aeabi_cfcmpeq for the compiler_rt library.
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//
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//===----------------------------------------------------------------------===//
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <math.h>
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#include <pico/float.h>
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//#include <pico/float.h>
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#include "pico/stdlib.h"
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#include "inttypes.h"
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extern int __aeabi_fcmpun(float a, float b);
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#if __arm__
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#include "call_apsr.h"
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extern __attribute__((pcs("aapcs"))) void __aeabi_cfcmpeq(float a, float b);
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int test__aeabi_cfcmpeq(float a, float b, int expected) {
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uint32_t cpsr_value = call_apsr_f(a, b, __aeabi_cfcmpeq);
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union cpsr cpsr = {.value = cpsr_value};
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if (expected != cpsr.flags.z) {
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printf("error in __aeabi_cfcmpeq(%f, %f) => Z = %08x, expected %08x\n",
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a, b, cpsr.flags.z, expected);
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return 1;
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}
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return 0;
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}
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#endif
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int test_cfcmpeq() {
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#if __arm__
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if (test__aeabi_cfcmpeq(1.0, 1.0, 1))
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return 1;
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if (test__aeabi_cfcmpeq(1234.567, 765.4321, 0))
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return 1;
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if (test__aeabi_cfcmpeq(-123.0, -678.0, 0))
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return 1;
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if (test__aeabi_cfcmpeq(0.0, -0.0, 1))
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return 1;
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if (test__aeabi_cfcmpeq(0.0, 0.0, 1))
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return 1;
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if (test__aeabi_cfcmpeq(-0.0, -0.0, 1))
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return 1;
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if (test__aeabi_cfcmpeq(-0.0, 0.0, 1))
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return 1;
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if (test__aeabi_cfcmpeq(0.0, -1.0, 0))
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return 1;
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if (test__aeabi_cfcmpeq(-0.0, -1.0, 0))
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return 1;
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if (test__aeabi_cfcmpeq(-1.0, 0.0, 0))
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return 1;
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if (test__aeabi_cfcmpeq(-1.0, -0.0, 0))
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return 1;
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if (test__aeabi_cfcmpeq(1.0, NAN, 0))
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return 1;
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if (test__aeabi_cfcmpeq(NAN, 1.0, 0))
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return 1;
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if (test__aeabi_cfcmpeq(NAN, NAN, 0))
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return 1;
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if (test__aeabi_cfcmpeq(INFINITY, 1.0, 0))
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return 1;
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if (test__aeabi_cfcmpeq(0.0, INFINITY, 0))
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return 1;
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if (test__aeabi_cfcmpeq(-INFINITY, 0.0, 0))
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return 1;
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if (test__aeabi_cfcmpeq(0.0, -INFINITY, 0))
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return 1;
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if (test__aeabi_cfcmpeq(INFINITY, INFINITY, 1))
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return 1;
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if (test__aeabi_cfcmpeq(-INFINITY, -INFINITY, 1))
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return 1;
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#else
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printf("skipped\n");
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#endif
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return 0;
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}
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#if __arm__
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extern __attribute__((pcs("aapcs"))) void __aeabi_cfcmple(float a, float b);
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extern __attribute__((pcs("aapcs"))) void __aeabi_cfrcmple(float a, float b);
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int test_fcmple_gt(float a, float b, int expected) {
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if ((a <= b) != expected) {
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printf("error in fcmple(%f, %f) => %d, expected %d\n",
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a, b, a <= b, expected);
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return 1;
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}
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if ((a > b) == expected && !isnanf(a) && !isnanf(b)) {
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printf("error in fcmpgt(%f, %f) => %d, expected %d\n",
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a, b, a > b, !expected);
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return 1;
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}
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return 0;
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}
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int test_fcmplt_ge(float a, float b, int expected) {
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if ((a < b) != expected) {
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printf("error in fcmplt(%f, %f) => %d, expected %d\n",
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a, b, a < b, expected);
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return 1;
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}
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if ((a >= b) == expected && !isnanf(a) && !isnanf(b)) {
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printf("error in fcmpge(%f, %f) => %d, expected %d\n",
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a, b, a >= b, !expected);
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return 1;
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}
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return 0;
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}
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int test__aeabi_cfcmple(float a, float b, int expected) {
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int32_t cpsr_value = call_apsr_f(a, b, __aeabi_cfcmple);
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int32_t r_cpsr_value = call_apsr_f(b, a, __aeabi_cfrcmple);
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int32_t cpsr_value2 = call_apsr_f(b, a, __aeabi_cfcmple);
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int32_t r_cpsr_value2 = call_apsr_f(a, b, __aeabi_cfrcmple);
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if (cpsr_value != r_cpsr_value) {
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printf("error: __aeabi_cfcmple(%f, %f) != __aeabi_cfrcmple(%f, %f)\n", a, b, b, a);
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return 1;
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}
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int expected_z, expected_c;
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if (expected == -1) {
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expected_z = 0;
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expected_c = 0;
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} else if (expected == 0) {
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expected_z = 1;
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expected_c = 1;
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} else {
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// a or b is NaN, or a > b
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expected_z = 0;
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expected_c = 1;
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}
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#if PICO_FLOAT_COMPILER
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// gcc has this backwards it seems - not a good thing, but I guess it doesn't ever call them
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expected_c ^= 1;
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#endif
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union cpsr cpsr = {.value = cpsr_value};
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if (expected_z != cpsr.flags.z || expected_c != cpsr.flags.c) {
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printf("error in __aeabi_cfcmple(%f, %f) => (Z = %d, C = %d), expected (Z = %d, C = %d)\n",
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a, b, cpsr.flags.z, cpsr.flags.c, expected_z, expected_c);
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return 1;
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}
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cpsr.value = r_cpsr_value;
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if (expected_z != cpsr.flags.z || expected_c != cpsr.flags.c) {
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printf("error in __aeabi_cfrcmple(%f, %f) => (Z = %d, C = %d), expected (Z = %d, C = %d)\n",
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a, b, cpsr.flags.z, cpsr.flags.c, expected_z, expected_c);
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return 1;
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}
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return 0;
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}
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#endif
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int test_cfcmple() {
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#if __arm__
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if (test__aeabi_cfcmple(1.0, 1.0, 0))
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return 1;
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if (test__aeabi_cfcmple(1234.567, 765.4321, 1))
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return 1;
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if (test__aeabi_cfcmple(765.4321, 1234.567, -1))
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return 1;
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if (test__aeabi_cfcmple(-123.0, -678.0, 1))
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return 1;
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if (test__aeabi_cfcmple(-678.0, -123.0, -1))
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return 1;
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if (test__aeabi_cfcmple(-123.0, 678.0, -1))
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return 1;
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if (test__aeabi_cfcmple(678.0, -123.0, 1))
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return 1;
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if (test__aeabi_cfcmple(0.0, -0.0, 0))
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return 1;
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if (test__aeabi_cfcmple(1.0, NAN, 1))
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return 1;
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if (test__aeabi_cfcmple(NAN, 1.0, 1))
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return 1;
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if (test__aeabi_cfcmple(NAN, NAN, 1))
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return 1;
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#else
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printf("skipped\n");
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#endif
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return 0;
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}
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int test_cmple_gt() {
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if (test_fcmple_gt(1.0, 1.0, 1))
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return 1;
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if (test_fcmple_gt(1234.567, 765.4321, 0))
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return 1;
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if (test_fcmple_gt(765.4321, 1234.567, 1))
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return 1;
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if (test_fcmple_gt(-123.0, -678.0, 0))
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return 1;
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if (test_fcmple_gt(-678.0, -123.0, 1))
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return 1;
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if (test_fcmple_gt(-123.0, 678.0, 1))
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return 1;
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if (test_fcmple_gt(678.0, -123.0, 0))
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return 1;
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if (test_fcmple_gt(0.0, -0.0, 1))
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return 1;
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if (test_fcmple_gt(-0.0, 0.0, 1))
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return 1;
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if (test_fcmple_gt(1.0, NAN, 0))
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return 1;
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if (test_fcmple_gt(NAN, 1.0, 0))
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return 1;
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if (test_fcmple_gt(NAN, NAN, 0))
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return 1;
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return 0;
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}
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int test_cmplt_ge() {
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if (test_fcmplt_ge(1.0, 1.0, 0))
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return 1;
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if (test_fcmplt_ge(1234.567, 765.4321, 0))
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return 1;
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if (test_fcmplt_ge(765.4321, 1234.567, 1))
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return 1;
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if (test_fcmplt_ge(-123.0, -678.0, 0))
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return 1;
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if (test_fcmplt_ge(-678.0, -123.0, 1))
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return 1;
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if (test_fcmplt_ge(-123.0, 678.0, 1))
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return 1;
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if (test_fcmplt_ge(678.0, -123.0, 0))
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return 1;
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if (test_fcmplt_ge(0.0, -0.0, 0))
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return 1;
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if (test_fcmplt_ge(-0.0, 0.0, 0))
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return 1;
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if (test_fcmplt_ge(1.0, NAN, 0))
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return 1;
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if (test_fcmplt_ge(NAN, 1.0, 0))
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return 1;
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if (test_fcmplt_ge(NAN, NAN, 0))
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return 1;
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return 0;
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}
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int check_fcmpun(float a, float b, bool expected, bool expect_equal) {
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if (__aeabi_fcmpun(a, b) != expected) {
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printf("Failed fcmpun(%f, %f)\n", a, b);
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return 1;
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}
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if ((a == b) != expect_equal) {
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printf("Failed equality check %f %f\n", a, b);
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__breakpoint();
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if (b == a) {
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printf("SAS\n");
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}
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return 1;
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}
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return 0;
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}
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int test_fcmpun() {
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if (check_fcmpun(0, 0, false, true) ||
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check_fcmpun(-INFINITY, INFINITY, false, false) ||
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check_fcmpun(NAN, 0, true, false) ||
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check_fcmpun(0, NAN, true, false) ||
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check_fcmpun(NAN, NAN, true, false) ||
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check_fcmpun(-NAN, NAN, true, false)) {
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return 1;
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}
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return 0;
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}
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double aa = 0.5;
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double bb = 1;
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int main() {
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setup_default_uart();
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printf("%d\n", aa < bb);
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for(float a = -1; a <= 1; a++) {
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for(float b = -1; b <= 1; b++) {
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printf("%f < %f ? %d\n", a, b, a < b);
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}
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}
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for(float a = -1; a <=1; a++) {
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for(float b = -1; b <= 1; b++) {
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printf("%f > %f ? %d\n", a, b, a > b);
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}
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}
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printf("F\n");
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for(float f = -1.0; f<=1.f; f+=0.25f) {
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printf("%d\n", (int)f);
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}
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printf("D\n");
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for(double d = -1.0; d<=1.0; d+=0.25) {
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printf("%d\n", (int)d);
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}
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printf("LD\n");
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for(double d = -1.0; d<=1.0; d+=0.25) {
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printf("%lld\n", (int64_t)d);
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}
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for(float d = -0.125; d>=-65536.0*65536.0*65536.0*65536.0*2; d*=2) {
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printf("%g %d, %lld, %u, %llu\n", d, (int32_t)d, (int64_t)d, (uint32_t)d, (uint64_t)d);
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}
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for(float d = 0.125; d<=65536.0*65536.0*65536.0*65536.0*2; d*=2) {
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printf("%g %d, %lld, %u, %llu\n", d, (int32_t)d, (int64_t)d, (uint32_t)d, (uint64_t)d);
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}
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for(double d = -0.125; d>=-65536.0*65536.0*65536.0*65536.0*2; d*=2) {
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printf("%g %d, %lld, %u, %llu\n", d, (int32_t)d, (int64_t)d, (uint32_t)d, (uint64_t)d);
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}
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for(double d = 0.125; d<=65536.0*65536.0*65536.0*65536.0*2; d*=2) {
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printf("%g %d, %lld, %u, %llu\n", d, (int32_t)d, (int64_t)d, (uint32_t)d, (uint64_t)d);
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}
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for(int i = (int32_t)0x80000000; i <0; i /= 2) {
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printf("%d %f\n", i, (double)i);
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|
}
|
||
|
|
for(int i = (1<<30); i >0; i /= 2) {
|
||
|
|
printf("%d %f\n", i, (double)i);
|
||
|
|
}
|
||
|
|
|
||
|
|
printf("%f\n", 0.5);
|
||
|
|
printf("SQRT %10.18g\n", 0.5);
|
||
|
|
printf("SQRT %10.18g\n", 0.333333333333333333333333);
|
||
|
|
|
||
|
|
#if 1
|
||
|
|
for (float x = 0; x < 3; x++) {
|
||
|
|
printf("\n ----- %f\n", x);
|
||
|
|
printf("FSQRT %10.18f\n", sqrtf(x));
|
||
|
|
printf("FCOS %10.18f\n", cosf(x));
|
||
|
|
printf("FSIN %10.18f\n", sinf(x));
|
||
|
|
float s, c;
|
||
|
|
sincosf(x, &s, &c);
|
||
|
|
printf("FSINCOS %10.18f %10.18f\n", s, c);
|
||
|
|
printf("FTAN %10.18f\n", tanf(x));
|
||
|
|
printf("FATAN2 %10.18f\n", atan2f(x, 10));
|
||
|
|
printf("FATAN2 %10.18f\n", atan2f(10, x));
|
||
|
|
printf("FEXP %10.18f\n", expf(x));
|
||
|
|
printf("FLN %10.18f\n", logf(x));
|
||
|
|
printf("POWF %10.18f\n", powf(x, x));
|
||
|
|
printf("TRUNCF %10.18f\n", truncf(x));
|
||
|
|
printf("LDEXPF %10.18f\n", ldexpf(x, x));
|
||
|
|
printf("FMODF %10.18f\n", fmodf(x, 3.0f));
|
||
|
|
}
|
||
|
|
|
||
|
|
for (double x = 0; x < 3; x++) {
|
||
|
|
printf("\n ----- %g\n", x);
|
||
|
|
printf("SQRT %10.18g\n", sqrt(x));
|
||
|
|
printf("COS %10.18g\n", cos(x));
|
||
|
|
printf("SIN %10.18g\n", sin(x));
|
||
|
|
printf("TAN %10.18g\n", tan(x));
|
||
|
|
printf("ATAN2 %10.18g\n", atan2(x, 10));
|
||
|
|
printf("ATAN2 %10.18g\n", atan2(10, x));
|
||
|
|
printf("EXP %10.18g\n", exp(x));
|
||
|
|
printf("LN %10.18g\n", log(x));
|
||
|
|
}
|
||
|
|
|
||
|
|
#if PICO_FLOAT_PROPAGATE_NANS
|
||
|
|
{
|
||
|
|
float x = NAN;
|
||
|
|
printf("NANO %10.18f\n", x);
|
||
|
|
printf("FSQRT %10.18f\n", sqrtf(x));
|
||
|
|
printf("FCOS %10.18f\n", cosf(x));
|
||
|
|
printf("FSIN %10.18f\n", sinf(x));
|
||
|
|
printf("FTAN %10.18f\n", tanf(x));
|
||
|
|
printf("FATAN2 %10.18f\n", atan2f(x, 10));
|
||
|
|
printf("FATAN2 %10.18f\n", atan2f(10, x));
|
||
|
|
printf("FEXP %10.18f\n", expf(x));
|
||
|
|
printf("FLN %10.18f\n", logf(x));
|
||
|
|
printf("POWF %10.18f\n", powf(x, x));
|
||
|
|
printf("TRUNCF %10.18f\n", truncf(x));
|
||
|
|
printf("LDEXPF %10.18f\n", ldexpf(x, x));
|
||
|
|
printf("FMODF %10.18f\n", fmodf(x, 3.0f));
|
||
|
|
float s, c;
|
||
|
|
// sincosf(x, &s, &c);
|
||
|
|
printf("FSINCOS %10.18f %10.18f\n", s, c);
|
||
|
|
|
||
|
|
for(int i=1; i<4; i++) {
|
||
|
|
char buf[4];
|
||
|
|
sprintf(buf, "%d", i);
|
||
|
|
float f0 = -nanf(buf);
|
||
|
|
double d0 = -nan(buf);
|
||
|
|
// hmm
|
||
|
|
*(uint64_t *)&d0 |= i;
|
||
|
|
*(uint32_t *)&f0 |= i;
|
||
|
|
float f = (float)d0;
|
||
|
|
double d = (double)f0;
|
||
|
|
printf("f2d %08"PRIx32" -> %g %016"PRIx64"\n", *(uint32_t*)&f0, d, *(uint64_t*)&d);
|
||
|
|
printf("d2f %016"PRIx64" -> %f %08"PRIx32"\n", *(uint64_t*)&d0, f, *(uint32_t*)&f);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
{
|
||
|
|
int32_t y;
|
||
|
|
// for (int32_t x = 0; x>-512; x--) {
|
||
|
|
// printf("i %d->%f\n", (int)x, (float) x);
|
||
|
|
// }
|
||
|
|
for (int32_t x = -1; x; x <<= 1) {
|
||
|
|
printf("i %d->%f\n", x, (float) x);
|
||
|
|
}
|
||
|
|
for (int32_t x = 1; x; x <<= 1) {
|
||
|
|
printf("i %d->%f\n", x, (float) x);
|
||
|
|
y = x << 1;
|
||
|
|
}
|
||
|
|
for (int64_t x = 1; x; x <<= 1) {
|
||
|
|
printf("i %lld->%f\n", x, (float) x);
|
||
|
|
y = x << 1;
|
||
|
|
}
|
||
|
|
for (int64_t x = -1; x; x <<= 1) {
|
||
|
|
printf("i %lld->%f\n", x, (float) x);
|
||
|
|
y = x << 1;
|
||
|
|
}
|
||
|
|
printf("d %d->%f\n", y, (float) y);
|
||
|
|
}
|
||
|
|
|
||
|
|
{
|
||
|
|
uint32_t y;
|
||
|
|
for(uint32_t x = 1; x; x <<= 1) {
|
||
|
|
printf("u %u->%f\n", x, (float)x);
|
||
|
|
y = x << 1;
|
||
|
|
}
|
||
|
|
printf("u %u->%f\n", y, (float)y);
|
||
|
|
}
|
||
|
|
for(int64_t x = 1; x !=0; x <<= 1u) {
|
||
|
|
printf("%lld->%f\n", x, (float)x);
|
||
|
|
}
|
||
|
|
for(float x = 4294967296.f * 4294967296.f; x>=0.5f; x/=2.f) {
|
||
|
|
printf("f %f->%lld\n", x, (int64_t)x);
|
||
|
|
}
|
||
|
|
for (double x = 1; x < 11; x += 2) {
|
||
|
|
double f = x * x;
|
||
|
|
double g = 1.0 / x;
|
||
|
|
printf("%g %10.18g %10.18g, %10.18g, %10.18g %10.18g\n", x, f, x + 0.37777777777777777777777777777,
|
||
|
|
x - 0.377777777777777777777777777777, g, 123456789.0 / x);
|
||
|
|
}
|
||
|
|
if (test_cfcmpeq() || test_cfcmple() ||
|
||
|
|
test_fcmpun() || test_cmple_gt() || test_cmplt_ge()) {
|
||
|
|
printf("FAILED\n");
|
||
|
|
return 1;
|
||
|
|
} else {
|
||
|
|
printf("PASSED\n");
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (test_cfcmpeq() || test_cfcmple() ||
|
||
|
|
test_fcmpun() || test_cmple_gt() || test_cmplt_ge()) {
|
||
|
|
printf("FAILED\n");
|
||
|
|
return 1;
|
||
|
|
} else {
|
||
|
|
printf("PASSED\n");
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
#if 0
|
||
|
|
// todo need to add tests like these
|
||
|
|
|
||
|
|
bool __noinline check(float x, float y) {
|
||
|
|
return x > y;
|
||
|
|
}
|
||
|
|
|
||
|
|
bool __noinline checkd(double x, double y) {
|
||
|
|
return x >= y;
|
||
|
|
}
|
||
|
|
|
||
|
|
int main() {
|
||
|
|
stdio_init_all();
|
||
|
|
#if 0
|
||
|
|
printf("0 op nan %d\n", check(0, nanf("sd")));
|
||
|
|
printf("nan op 0 %d\n", check(nanf("sd"), 0));
|
||
|
|
printf("0 op -nan %d\n", check(0, -nanf("sd")));
|
||
|
|
printf("-nan op 0 %d\n", check(-nanf("sd"), 0));
|
||
|
|
printf("-nan op nan %d\n", check(-nanf("xx"), nanf("xx")));
|
||
|
|
printf("-nan op -nan %d\n", check(-nanf("xx"), -nanf("xx")));
|
||
|
|
printf("nan op -nan %d\n", check(nanf("xx"), -nanf("xx")));
|
||
|
|
printf("nan op nan %d\n", check(nanf("xx"), nanf("xx")));
|
||
|
|
printf("0 op inf %d\n", check(0, infinityf()));
|
||
|
|
printf("inf op 0 %d\n", check(infinityf(), 0));
|
||
|
|
printf("0 op -inf %d\n", check(0, -infinityf()));
|
||
|
|
printf("-inf op 0 %d\n", check(-infinityf(), 0));
|
||
|
|
printf("-inf op inf %d\n", check(-infinityf(), infinityf()));
|
||
|
|
printf("-inf op -inf %d\n", check(-infinityf(), -infinityf()));
|
||
|
|
printf("inf op -inf %d\n", check(infinityf(), -infinityf()));
|
||
|
|
printf("inf op inf %d\n", check(infinityf(), infinityf()));
|
||
|
|
printf("1 op 1 %d\n", check(1, 1));
|
||
|
|
printf("-1 op 1 %d\n", check(-1, 1));
|
||
|
|
printf("1 op -1 %d\n", check(1, -1));
|
||
|
|
printf("-1 op -1 %d\n", check(-1, -1));
|
||
|
|
printf("1 op 2 %d\n", check(1, 2));
|
||
|
|
printf("2 op 1 %d\n", check(2, 1));
|
||
|
|
printf("-1 op -2 %d\n", check(-1, -2));
|
||
|
|
printf("-2 op -1 %d\n", check(-2, -1));
|
||
|
|
#else
|
||
|
|
printf("0 op nan %d\n", checkd(0, nan("sd")));
|
||
|
|
printf("nan op 0 %d\n", checkd(nan("sd"), 0));
|
||
|
|
printf("0 op -nan %d\n", checkd(0, -nan("sd")));
|
||
|
|
printf("-nan op 0 %d\n", checkd(-nan("sd"), 0));
|
||
|
|
printf("-nan op nan %d\n", checkd(-nan("xx"), nan("xx")));
|
||
|
|
printf("-nan op -nan %d\n", checkd(-nan("xx"), -nan("xx")));
|
||
|
|
printf("nan op -nan %d\n", checkd(nan("xx"), -nan("xx")));
|
||
|
|
printf("nan op nan %d\n", checkd(nan("xx"), nan("xx")));
|
||
|
|
printf("0 op inf %d\n", checkd(0, infinity()));
|
||
|
|
printf("inf op 0 %d\n", checkd(infinity(), 0));
|
||
|
|
printf("0 op -inf %d\n", checkd(0, -infinity()));
|
||
|
|
printf("-inf op 0 %d\n", checkd(-infinity(), 0));
|
||
|
|
printf("-inf op inf %d\n", checkd(-infinity(), infinity()));
|
||
|
|
printf("-inf op -inf %d\n", checkd(-infinity(), -infinity()));
|
||
|
|
printf("inf op -inf %d\n", checkd(infinity(), -infinity()));
|
||
|
|
printf("inf op inf %d\n", checkd(infinity(), infinity()));
|
||
|
|
printf("1 op 1 %d\n", checkd(1, 1));
|
||
|
|
printf("-1 op 1 %d\n", checkd(-1, 1));
|
||
|
|
printf("1 op -1 %d\n", checkd(1, -1));
|
||
|
|
printf("-1 op -1 %d\n", checkd(-1, -1));
|
||
|
|
printf("1 op 2 %d\n", checkd(1, 2));
|
||
|
|
printf("2 op 1 %d\n", checkd(2, 1));
|
||
|
|
printf("-1 op -2 %d\n", checkd(-1, -2));
|
||
|
|
printf("-2 op -1 %d\n", checkd(-2, -1));
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
#endif
|