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Add single-precision asin() and acos() to stdlib.

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Issue #184.
This commit is contained in:
Matt Pharr
2012-03-05 13:31:38 -08:00
parent f6cbaa78e8
commit c152ae3c32
5 changed files with 184 additions and 2 deletions
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23
tests/acos.ispc Normal file
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@@ -0,0 +1,23 @@
export uniform int width() { return programCount; }
bool ok(float x, float ref) { return (abs(x - ref) < 1e-6) || abs((x-ref)/ref) < 1e-6; }
export void f_v(uniform float RET[]) {
uniform float vals[8] = { 0, 1, 0.5, -1, -.87, -.25, 1e-3, -.99999999 };
uniform float r[8];
foreach (i = 0 ... 8)
r[i] = cos(acos(vals[i]));
int errors = 0;
for (uniform int i = 0; i < 8; ++i) {
if (ok(r[i], vals[i]) == false) {
print("error @ %: got %, expected %\n", i, r[i], vals[i]);
++errors;
}
}
RET[programIndex] = errors;
}
export void result(uniform float RET[]) { RET[programIndex] = 0; }

23
tests/asin.ispc Normal file
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@@ -0,0 +1,23 @@
export uniform int width() { return programCount; }
bool ok(float x, float ref) { return (abs(x - ref) < 1e-6) || abs((x-ref)/ref) < 1e-6; }
export void f_v(uniform float RET[]) {
uniform float vals[8] = { 0, 1, 0.5, -1, -.87, -.25, 1e-3, -.99999999 };
uniform float r[8];
foreach (i = 0 ... 8)
r[i] = sin(asin(vals[i]));
int errors = 0;
for (uniform int i = 0; i < 8; ++i) {
if (ok(r[i], vals[i]) == false) {
print("error @ %: got %, expected %\n", i, r[i], vals[i]);
++errors;
}
}
RET[programIndex] = errors;
}
export void result(uniform float RET[]) { RET[programIndex] = 0; }