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The maximum value that a signed 16-bit integer can hold is 32767, not 32768 (0x8000)

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svn-id: r44294
This commit is contained in:
Filippos Karapetis 2009-09-24 09:41:11 +00:00
parent db63b401a6
commit fbe1586abc
1 changed files with 4 additions and 4 deletions
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8
engines/sci/engine/kmath.cpp
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@ -130,7 +130,7 @@ reg_t kCosDiv(EngineState *s, int, int argc, reg_t *argv) {
if ((cosval < 0.0001) && (cosval > 0.0001)) {
warning("Attepted division by zero");
return make_reg(0, (int16)0x8000);
return make_reg(0, 0);
} else
return make_reg(0, (int16)(value / cosval));
}
@ -142,7 +142,7 @@ reg_t kSinDiv(EngineState *s, int, int argc, reg_t *argv) {
if ((sinval < 0.0001) && (sinval > 0.0001)) {
warning("Attepted division by zero");
return make_reg(0, (int16)0x8000);
return make_reg(0, 0);
} else
return make_reg(0, (int16)(value / sinval));
}
@ -154,7 +154,7 @@ reg_t kTimesTan(EngineState *s, int, int argc, reg_t *argv) {
param -= 90;
if ((param % 90) == 0) {
warning("Attempted tan(pi/2)");
return make_reg(0, (int16)0x8000);
return make_reg(0, 0);
} else
return make_reg(0, (int16) - (tan(param * PI / 180.0) * scale));
}
@ -165,7 +165,7 @@ reg_t kTimesCot(EngineState *s, int, int argc, reg_t *argv) {
if ((param % 90) == 0) {
warning("Attempted tan(pi/2)");
return make_reg(0, (int16)0x8000);
return make_reg(0, 0);
} else
return make_reg(0, (int16)(tan(param * PI / 180.0) * scale));
}