mirror of https://github.com/Nonannet/copapy.git
26 lines
553 B
C
26 lines
553 B
C
#include <stdint.h>
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//double (*math_pow)(double, double);
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volatile int dummy_int = 1337;
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volatile float dummy_float = 1337;
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__attribute__((noinline)) int floor_div(float arg1, float arg2) {
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float x = arg1 / arg2;
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int i = (int)x;
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if (x < 0 && x != (float)i) i -= 1;
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return i;
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}
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float fast_pow_float(float base, float exponent) {
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union {
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float f;
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uint32_t i;
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} u;
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u.f = base;
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int32_t x = u.i;
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int32_t y = (int32_t)(exponent * (x - 1072632447) + 1072632447);
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u.i = (uint32_t)y;
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return u.f;
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} |