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Be a little more particular about how mwc_11 is implemented

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Steven Robertson 2011-05-03 15:26:44 -04:00
parent 28c3c72bb8
commit 9d969476ec
1 changed files with 6 additions and 1 deletions
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7
cuburn/code/mwc.py
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@ -30,7 +30,12 @@ __device__ float mwc_next_01(mwc_st *st) {
}
__device__ float mwc_next_11(mwc_st *st) {
return ((int32_t) mwc_next(st)) * (1.0f / 2147483648.0f);
uint32_t val = mwc_next(st);
float ret;
asm("cvt.rn.f32.s32 %0, %1;\n\t"
"mul.f32 %0, %0, (1.0 / 2147483648.0);"
: "=f"(ret) : "r"(val));
return ret;
}
"""