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Add Num.mix()

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This commit is contained in:
Bruce Hill 2024-04-22 14:49:36 -04:00
parent d2348f0894
commit 5fd85d7e0b
4 changed files with 17 additions and 0 deletions
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8
builtins/nums.c
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@ -64,6 +64,10 @@ public double Num$random(void) {
return drand48();
}
public double Num$mix(double amount, double x, double y) {
return (1.0-amount)*x + amount*y;
}
public double Num$from_text(CORD text, CORD *the_rest) {
const char *str = CORD_to_const_char_star(text);
char *end = NULL;
@ -142,6 +146,10 @@ public float Num32$random(void) {
return (float)drand48();
}
public float Num32$mix(float amount, float x, float y) {
return (1.0-amount)*x + amount*y;
}
public float Num32$from_text(CORD text, CORD *the_rest) {
const char *str = CORD_to_const_char_star(text);
char *end = NULL;

2
builtins/nums.h
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@ -24,6 +24,7 @@ bool Num$finite(double n);
bool Num$isnan(double n);
double Num$nan(CORD tag);
double Num$random(void);
double Num$mix(double amount, double x, double y);
double Num$from_text(CORD text, CORD *the_rest);
extern const TypeInfo $Num;
@ -38,6 +39,7 @@ bool Num32$isinf(float n);
bool Num32$finite(float n);
bool Num32$isnan(float n);
float Num32$random(void);
float Num32$mix(float amount, float x, float y);
float Num32$from_text(CORD text, CORD *the_rest);
float Num32$nan(CORD tag);
extern const TypeInfo $Num32;

2
environment.c
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@ -114,6 +114,7 @@ env_t *new_compilation_unit(void)
{"INF", "INFINITY", "Num"},
{"TAU", "(2.*M_PI)", "Num"},
{"random", "Num$random", "func()->Num"},
{"mix", "Num$mix", "func(amount:Num, x:Num, y:Num)->Num"},
{"from_text", "Num$from_text", "func(text:Text, the_rest=!Text)->Num"},
{"abs", "fabs", "func(n:Num)->Num"},
F(acos), F(acosh), F(asin), F(asinh), F(atan), F(atanh), F(cbrt), F(ceil), F(cos), F(cosh), F(erf), F(erfc),
@ -141,6 +142,7 @@ env_t *new_compilation_unit(void)
{"INF", "(Num32_t)(INFINITY)", "Num32"},
{"TAU", "(Num32_t)(2.f*M_PI)", "Num32"},
{"random", "Num32$random", "func()->Num32"},
{"mix", "Num32$mix", "func(amount:Num32, x:Num32, y:Num32)->Num32"},
{"from_text", "Num32$from_text", "func(text:Text, the_rest=!Text)->Num32"},
{"abs", "fabsf", "func(n:Num32)->Num32"},
F(acos), F(acosh), F(asin), F(asinh), F(atan), F(atanh), F(cbrt), F(ceil), F(cos), F(cosh), F(erf), F(erfc),

5
test/nums.tm
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@ -48,3 +48,8 @@ func main()
>> Num32.sqrt(16f32)
= 4_f32
>> 0.25:mix(10, 20)
= 12.5
>> 2.0:mix(10, 20)
= 30